The design of Heat Powered Stove Fan N429 is more attractive,the size fits almost all freestanding stoves. Features: 1) Circulates warm air throughout the room 2) Self-powered by heat of the stove top surface,automatic control 3) Don't need battery and extra power,cost saving 4) Compact design 5) Start to work at low temperature 50°C(122°F) 6) Safe,its inbuilt protection system to stop them overheating 7) Maximizes efficiency of stoves with fuel saving 17% 8) Silent operation,the Noise .Easy operation,ready to use out of box 9) The stove fan widely apply to almost all freestanding stoves 10) Eco-friendly,reduce emissions of wood stoves